CN105952671B - Centrifugal fan and air conditioner with same - Google Patents
Centrifugal fan and air conditioner with same Download PDFInfo
- Publication number
- CN105952671B CN105952671B CN201610301848.7A CN201610301848A CN105952671B CN 105952671 B CN105952671 B CN 105952671B CN 201610301848 A CN201610301848 A CN 201610301848A CN 105952671 B CN105952671 B CN 105952671B
- Authority
- CN
- China
- Prior art keywords
- groove
- air
- air outlet
- air duct
- centrifugal blower
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 230000001965 increasing effect Effects 0.000 claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 claims 1
- 238000007664 blowing Methods 0.000 description 8
- 238000005057 refrigeration Methods 0.000 description 6
- 238000005119 centrifugation Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/4246—Fan casings comprising more than one outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The invention provides a centrifugal fan and an air conditioner with the same. The centrifugal fan includes: the bottom shell is provided with at least two air channels; at least two centrifugal impellers are arranged in the at least two air channels in a one-to-one correspondence mode. According to the centrifugal fan and the air conditioner with the same, the air yield of the whole centrifugal fan can be increased, and the refrigerating or heating efficiency of the centrifugal fan is further improved.
Description
Technical field
The present invention relates to air-conditioning technical fields, in particular to a kind of centrifugal blower and with its air conditioner.This hair
Bright is for application No. is 201410597533.2, and the applying date is on October 29th, 2014, entitled " centrifugal blower and tool
Have its air conditioner " patent application divisional application.
Background technique
Centrifugal blower is a kind of driven fluid machinery, improves atmospheric pressure by the mechanical energy of input and transfers out
Gas.Blower is of wide application, such as factory, mine, tunnel, cooling tower, vehicle, ship and building ventilation,
Dust discharge and cooling.In addition, the cooling in the ventilation and air inducing of boiler and industrial furnace, the apparatus of air conditioning and domestic electric appliance
And ventilation.
However, in the prior art, the centrifugal blower of air conditioner is that mostly single air duct blower, this blower are only capable of from one
A air outlet, this makes the refrigeration of the blower and heating efficiency lower.With the development of society, human demand constantly mentions
The centrifugal blower of height, present single air duct has been unable to meet the demand of people.
Summary of the invention
The main purpose of the present invention is to provide a kind of centrifugal blower and with its air conditioner, to solve in the prior art
The small problem of centrifugal blower air quantity.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of centrifugal blower, centrifugal blower packet
Include: bottom case is provided at least two air ducts on the bottom case；At least two centrifugal impellers, at least two centrifugal impeller one
One is arranged in correspondence at least two air duct；The centrifugal blower includes the first air duct being disposed adjacent and the second wind
Road, first air outlet in first air duct are mutually separated with the air-out direction of first air outlet in second air duct；Described
Second air outlet in one air duct is mutually converged with the air-out direction of second air outlet in second air duct.
Further, the bottom case has the first side and second side that are oppositely arranged, and the air duct is from described first
Side extends to the second side, and the air duct has positioned at the first air outlet of the first side and positioned at described second
Second air outlet of side, the centrifugal blower further include: moving baffle, the moving baffle are arranged in the air duct, institute
State moving baffle have by the first operating position that first air outlet blocks and second air outlet is blocked second
Operating position.
Further, the bottom case has the first side and second side that are oppositely arranged, and the air duct is from described first
Side extends to the second side, and the air duct has positioned at the first air outlet of the first side and positioned at described second
Second air outlet of side, first air duct and second air duct are the groove being set on the bottom case.
Further, the side wall close to second groove of first groove corresponds to first outlet air
Mouthful wall surface section and the side wall close to first groove of second groove correspond to first air outlet
The distance between wall surface section becomes larger along the direction of the second side to the first side；First groove it is remote
Side wall from second groove corresponding to first air outlet wall surface section and second groove far from the
The distance between wall surface section corresponding to first air outlet of the side wall of one groove is along the second side to institute
The direction for stating first side becomes larger.
Further, the side wall close to second groove of first groove corresponds to first outlet air
Mouthful wall surface section and the side wall close to first groove of second groove correspond to first air outlet
Wall surface section is arc surface；The side wall far from second groove of first groove corresponds to first outlet air
Mouthful wall surface section and the side wall far from first groove of second groove correspond to first air outlet
Wall surface section is plane.
Further, the side wall close to second groove of first groove corresponds to second outlet air
Mouthful wall surface section and the side wall close to first groove of second groove correspond to second air outlet
The distance between wall surface section gradually becomes smaller along the direction of the first side to the second side；First groove it is remote
Side wall from second groove corresponding to second air outlet wall surface section and second groove far from the
The distance between wall surface section corresponding to second air outlet of the side wall of one groove is along the first side to institute
The direction for stating second side gradually becomes smaller.
Further, the side wall close to second groove of first groove corresponds to second outlet air
Mouthful wall surface section and the side wall close to first groove of second groove correspond to second air outlet
Wall surface section is plane；The side wall far from second groove of first groove corresponds to second air outlet
Wall surface section and second groove the side wall far from first groove the wall corresponding to second air outlet
Face section is arc surface.
Further, the moving baffle is circular arc block, the thickness of the circular arc block from the first end of the circular arc block to
Second end is gradually increased, the augment direction of the thickness of the circular arc block and the centrifugal impeller in the air duct where it
The direction that the outboard end relative inner end of blade is deviateed is consistent.
Further, the centrifugal impeller setting is in the air duct center, and is located at the wind of the periphery of the centrifugal impeller
The wall surface in road is arc-shaped.
Further, the bottom case has upper surface, lower end surface and the left side and right side being oppositely arranged, described
Upper surface is the first side, and the lower end surface is the second side.
Further, the bottom case has upper surface, lower end surface and the left side and right side being oppositely arranged, described
Left side is the first side, and the right side is the second side.On the other hand, the present invention proposes a kind of air conditioner,
Including centrifugal blower, the centrifugal blower is any one of the above centrifugal blower.
It applies the technical scheme of the present invention, when centrifugal impeller rotation, wind can be generated in air duct, and defeated by air duct
It send to the outside of centrifugal blower.Since centrifugal blower of the invention is provided with multiple air ducts, and system is arranged in correspondence in air duct
The centrifugal impeller of wind can increase the wind-producing amount of entire centrifugal blower, and then improve the refrigeration of centrifugal blower or the efficiency of heating.
Under conditions of using multiple air ducts, currently preferred technical solution is had the advantages that using convergence
Air duct blow out hot wind, be conducive to indoor thermal cycle；Using isolated air duct blowing cold air, prevent from directly blowing on human body not
It is suitable.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 diagrammatically illustrates three-dimensional structure diagram of the centrifugal blower of the first embodiment of the present invention in refrigerating state；
Fig. 2 diagrammatically illustrates main view of the centrifugal blower of the first embodiment of the present invention in refrigerating state；
Fig. 3 diagrammatically illustrates three-dimensional structure diagram of the centrifugal blower of the first embodiment of the present invention in the state of heating；
Fig. 4 diagrammatically illustrates main view of the centrifugal blower of the first embodiment of the present invention in the state of heating；
The centrifugal blower that Fig. 5 diagrammatically illustrates the second embodiment of the present invention is in main view when refrigerating state；
The centrifugal blower that Fig. 6 diagrammatically illustrates the second embodiment of the present invention is in main view when heating state；With
And
Fig. 7 diagrammatically illustrates the three-dimensional structure diagram of the centrifugal blower of the second embodiment of the present invention.
Wherein, the above drawings include the following reference numerals:
10, bottom case；20, air duct；21, the first air outlet；22, the second air outlet；30, centrifugal impeller；40, moving baffle；
50, motor.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Referring to combining shown in Fig. 1 to Fig. 7, left and right up and down direction in figure be centrifugal blower of the invention in actual work
Left and right up and down direction, arrow direction indicates the flow direction of the wind of centrifugal blower in figure.
Referring to combining shown in Fig. 1 to Fig. 4, first embodiment according to the present invention provides a kind of centrifugal blower.The centrifugation
Blower includes bottom case 10, at least two air ducts 20 and at least two centrifugal impellers 30.Wherein, at least two above-mentioned air ducts 20
It is arranged on bottom case 10；At least two above-mentioned air ducts 20 are arranged at least two above-mentioned centrifugal impellers 30 correspondingly
It is interior.When centrifugal impeller 30 rotates, wind can be generated in air duct 20, and the outside of centrifugal blower is delivered to by air duct 20.
Since the centrifugal blower of the present embodiment is provided with multiple air ducts 20, and the centrifugal impeller of wind processed is arranged in correspondence in air duct 20
30, the wind-producing amount of entire centrifugal blower can be increased, and then improve the refrigeration of centrifugal blower or the efficiency of heating.
In order to drive centrifugal impeller 30 to work, the center of the centrifugal impeller 30 of the present embodiment is provided with motor 50, works as motor
50 electric rotation when, drive centrifugal impeller 30 rotation with wind processed, structure is simple, is easy to implement.
In the present embodiment, bottom case 10 has the first side and second side that are oppositely arranged, and air duct 20 is from described first
Side extends to the second side.Bottom case 10 has upper surface, lower end surface and the left side and right side being oppositely arranged,
In the present embodiment, upper surface is the first side of above-mentioned bottom case 10, and lower end surface is above-mentioned second side.Preferably, air duct
20 extend to the lower end surface of bottom case 10 from the upper surface of bottom case 10, wherein air duct 20 has first positioned at 10 upper surface of bottom case
Air outlet 21 and the second air outlet 22 positioned at 10 lower end surface of bottom case.In order to select suitable air port to blow, centrifugal blower
It further include moving baffle 40, which is arranged in air duct 20.Moving baffle 40, which has, blocks the first air outlet 21
The first operating position and the second operating position for blocking the second air outlet 22.
According to the structure of the present embodiment, when centrifugal blower is in refrigerating state, moving baffle 40 is in its second work
The second air outlet 22 is blocked in position, at this point, the cold wind that centrifugal blower generates can only be flowed upwards out from the first air outlet 21, by
Big in the low air seal of temperature, the diffusion so cold wind can sink improves human comfort；When centrifugal blower is in heating state
In real time, moving baffle 40 is in its first operating position, and the first air outlet 21 is blocked, at this point, the hot wind that centrifugal blower generates
It can only be flowed downward out from the second air outlet 22, since the density of hot wind is small, can climb diffusion upwards, effectively improve relaxing for human body
Appropriateness.
As it can be seen that centrifugal blower according to the present invention, moving baffle 40 can be switched to not by user according to different needs
Same position, and then make centrifugal blower that there is different air-out modes.
It recombines and referring to FIG. 1 to FIG. 4, the centrifugal blower in the present embodiment includes the first air duct being disposed adjacent
With the second air duct, in the present embodiment described adjacent the first air duct and the second air duct refer to the first air outlet 21 mutually separation and
The two neighboring air duct that the air-out direction of second air outlet 22 mutually converges.
By the outlet air of the first air outlet 21 of first air outlet 21 and the second air duct in the first air duct in this present embodiment
Direction mutually separates, and when centrifugal blower is in refrigerating state, the first air duct is mutually separated with the blow-off direction of the cold wind in the second air duct
Direction outflow, then spread in downward direction, directly blow to human body after avoiding cold wind from crossing and cause human body uncomfortable.
And since the air-out direction of the second air outlet 22 of second air outlet 22 and the second air duct in the first air duct mutually converges,
When centrifugal blower is in heating state, the first air duct is mutually converged with the blow-off direction of the hot wind in the second air duct, due to hot-air
Density it is lower, can slowly rise, form whole thermal cycle indoors, can be improved the comfort of room temperature.
Preferably, the first air duct in the present embodiment and the second air duct are the groove being arranged on bottom case 10, and first
Close the first of the wall surface section for corresponding to the first air outlet 21 of the side wall close to second groove of groove and second groove
The distance between wall surface section corresponding to the first air outlet 21 of the side wall of a groove along lower end surface to upper surface direction gradually
Become larger；The side wall far from second groove of first groove corresponds to 22 wall surface section of the second air outlet and second groove
Far from first groove side wall the wall surface section corresponding to the second air outlet 22 between the direction along end face to upper surface by
Gradual change is big, and convenient for forming the first air outlet 21 that air-out direction mutually separates, structure is simple, is easy to implement.
Centrifugation in order to reduce the noise in air duct, when centrifugal blower is in refrigerating state, in the air duct 20 on the left side in Fig. 2
Impeller 30 rotates counterclockwise, and the centrifugal impeller 30 in the right air duct 20 rotates clockwise, and by first groove close to second
The side wall close to first groove of the wall surface section and second groove corresponding to the first air outlet 21 of the side wall of a groove
Wall surface section corresponding to the first air outlet 21 is disposed as arc surface；Pair of the side wall far from second groove of first groove
The second air outlet 22 should be corresponded in the side wall far from first groove of 22 wall surface section of the second air outlet and second groove
Wall surface section be disposed as plane.On the one hand it can prevent cold wind from directly blowing people and cause human body uncomfortable；On the other hand, additionally it is possible to
The wind face air duct 20 for being prevented centrifugal impeller 30 from generating using arcwall face and plane wind path wall is avoided blowing and be generated excessive
Noise.
Preferably, the first air duct and the second air duct are the groove being arranged on bottom case 10, first groove close to the
The side wall of close first groove of the wall surface section and second groove corresponding to the second air outlet 22 of the side wall of two grooves
The distance between the wall surface section corresponding to the second air outlet 22 gradually become smaller along the direction of upper surface to lower end surface；First recessed
The wall surface section for corresponding to the second air outlet 22 of the side wall far from second groove of slot and second groove it is first separate
The distance between the wall surface section corresponding to the second air outlet 22 of the side wall of groove gradually becomes along the direction of upper surface to lower end surface
Small, convenient for forming the second air outlet 22 that air-out direction mutually converges, structure is simple, is easy to implement.
Similarly, in order to reduce the noise in air duct, when centrifugal blower is in people's state processed, the air duct 20 on the left side in Fig. 4
Interior centrifugal impeller 30 rotates clockwise, and the centrifugal impeller 30 in the right air duct 20 rotates counterclockwise, and by first groove
Close to the wall surface section for corresponding to the second air outlet 22 of the side wall of second groove and close first groove of second groove
The wall surface section corresponding to the second air outlet 22 of side wall be disposed as plane；The side far from second groove of first groove
The side wall far from first groove of the wall surface section and second groove corresponding to the second air outlet 22 of wall corresponds to second
The wall surface section of air outlet 22 is disposed as arc surface.On the one hand hot wind can be made to converge and climb upwards；On the other hand, additionally it is possible to
The wind face air duct 20 for being prevented centrifugal impeller 30 from generating using arcwall face and plane wind path wall is avoided blowing and be generated excessive
Noise.
Preferably, for the ease of conveying cold customs and morals of the people, by the setting of centrifugal impeller 30 in 20 center of air duct, and it is located at centrifugal impeller
The wall surface in the air duct 20 of 30 periphery is arc-shaped, and further decreases the generation of noise.
Preferably, the moving baffle 40 in the present embodiment is circular arc block, convenient for rotating in a circumferential direction and cutting in centrifugal impeller 30
It changes to block the first air outlet 21 and the second air outlet 22, and then makes centrifugal blower that there are different air-out modes.In the present embodiment
The thickness of circular arc block be gradually increased, and the centrifugal impeller in the augment direction of the thickness of the circular arc block and air duct 20 where it
The direction that the outboard end relative inner end of 30 blade is deviateed is consistent.In conjunction with the first air outlet 21 of centrifugal blower and the second outlet air
Mouthfuls 22 structure it is recognised that due to moving baffle 40 centrifugal impeller 30 thickness in the radial direction along gradually increasing, when
When centrifugal blower is in refrigeration or heating state, thicker one end of moving baffle 40 is located at just in the first air outlet 21 of outlet air
Or just in the edge of the second air outlet 22 of outlet air, and can be improved with the wall surface overlap to form air-supply passage of air outlet
The air-supply effect in air duct.
Referring to shown in Fig. 5 to Fig. 7, second embodiment according to the present invention provides a kind of centrifugal blower, the present embodiment
The structure of centrifugal blower and first embodiment it is essentially identical.The centrifugal blower include bottom case 10, at least two air ducts 20 and
At least two centrifugal impellers 30.Wherein, at least two above-mentioned air ducts 20 are arranged on bottom case 10, and bottom case 10 has upper end
Face, lower end surface and the left side (first side being equivalent in first embodiment) being oppositely arranged and right side (are equivalent to
Second side in one embodiment), each air duct 20 extends to the right side of bottom case 10, and each air duct from the left side of bottom case 10
20 all have the first air outlet 21 positioned at 10 left side of bottom case and the second air outlet 22 positioned at 10 right side of bottom case；Above-mentioned
At least two centrifugal impellers 30 are arranged in correspondingly at least two above-mentioned air ducts 20.When centrifugal impeller 30 rotates,
It can generate wind in air duct 20, and the first air outlet 21 and the second air outlet 22 are delivered to by air duct 20, and then by air duct
Wind in 20 is delivered to the outside of centrifugal blower so that people are freezed or are heated.Since the centrifugal blower of the present embodiment is provided with more
A air duct 20, and it is arranged in correspondence in air duct 20 centrifugal impeller 30 of wind processed, the wind-producing amount of entire centrifugal blower can be increased,
And then improve the refrigeration of centrifugal blower or the efficiency of heating.
In order to drive centrifugal impeller 30 to work, the middle part of the centrifugal impeller 30 of the present embodiment is provided with motor 50, works as motor
50 electric rotation when, drive centrifugal impeller 30 rotation with wind processed, structure is simple, is easy to implement.
In order to select suitable air port to blow, centrifugal blower further includes moving baffle 40, the moving baffle 40 setting
In air duct 20.Moving baffle 40 has the first operating position that the first air outlet 21 blocks and blocks the second air outlet 22
The second operating position.
According to the structure of the present embodiment, when centrifugal blower is in refrigerating state, moving baffle 40 is in its second work
The second air outlet 22 is blocked in position, at this point, the cold wind that centrifugal blower generates can only be from the first air outlet of 10 left side of bottom case
21 outflows, cold wind sink to spreading, and improve human comfort；When centrifugal blower is in, heating state is real-time, and moving baffle 40 is in
The first air outlet 21 is blocked in its first operating position, at this point, the hot wind that centrifugal blower generates can only be from 10 right side of bottom case
The outflow of second air outlet 22, and diffusion of climbing indoors, effectively improve the comfort level of human body.
As it can be seen that centrifugal blower according to the present invention, moving baffle 40 can be switched to not by user according to different needs
Same position, and then make centrifugal blower that there is different air-out modes.
It recombines and referring to shown in Fig. 5 to Fig. 6, the centrifugal blower in the present embodiment includes the first air duct being disposed adjacent
With the second air duct, described adjacent the first air duct and the second air duct refers to the air-out direction of the first air outlet 21 in the present embodiment
The mutually two neighboring air duct 20 that the air-out direction of separation and the second air outlet 22 mutually converges.
By the outlet air of the first air outlet 21 of first air outlet 21 and the second air duct in the first air duct in this present embodiment
Direction mutually separates, and when centrifugal blower is in refrigerating state, the first air duct is mutually separated with the blow-off direction of the cold wind in the second air duct
Direction outflow, can be avoided and directly blow to human body after cold wind crosses and cause human body uncomfortable, since the density of cold air is larger,
It can spread in downward direction, convenient for improving indoor comfort level.
And since the air-out direction of the second air outlet 22 of second air outlet 22 and the second air duct in the first air duct mutually converges,
When centrifugal blower is in heating state, the first air duct is mutually converged with the blow-off direction of the hot wind in the second air duct, due to hot-air
Density it is lower, can slowly rise, form whole thermal cycle indoors, and then can be improved the comfort of room temperature.
Preferably, the air duct 20 in the present embodiment is the groove being arranged on bottom case 10, close second wind in the first air duct
Road close to the first air duct corresponds to first air outlet 21 corresponding to the wall surface section of the first air outlet 21 and the second air duct
The distance between wall surface section becomes larger along the direction of the right side of bottom case 10 side to the left；Separate second air duct in the first air duct
Corresponding to the first air outlet 21 wall surface section and the second air duct far from the first air duct the wall corresponding to the first air outlet 21
The distance between face section becomes larger along the direction of the right side of bottom case 10 side to the left, convenient for making first outlet air in the first air duct
Mouth 21 is mutually separated with 21 air-out direction of the first air outlet in the second air duct, and structure is simple, is easy to implement.
The centrifugation leaf in lower section air duct 20 in order to reduce the noise in air duct, when centrifugal blower is in refrigerating state, in Fig. 1
Wheel 30 rotates counterclockwise, and the centrifugal impeller 30 in top air duct 20 rotates clockwise, and by the first air duct close to the second air duct
Corresponding to the first air outlet 21 wall surface section and the second air duct close to the first air duct the wall corresponding to the first air outlet 21
Face section is arc surface, the wall surface section corresponding to the first air outlet 21 far from the second air duct in the first air duct and the second air duct
The wall surface section corresponding to the first air outlet 21 far from the first air duct is plane.On the one hand it can prevent cold wind convergence from directly blowing
People and he causes human body uncomfortable；On the other hand, additionally it is possible to prevent centrifugal impeller 30 from generating using arcwall face and plane wind path wall
Wind face air duct 20 avoids blowing and generating excessive noise.
Preferably, air duct 20 is the groove being arranged on bottom case 10, and the first air duct corresponds to the close to the second air duct
Between the wall surface section corresponding to the second air outlet 22 in close first air duct of the wall surface section and the second air duct of two air outlets 22
Distance gradually becomes smaller along the direction of the left side of bottom case 10 to right side；First air duct corresponds to second far from the second air duct
Between the wall surface section of air outlet 22 and the wall surface section corresponding to the second air outlet 22 far from the first air duct in the second air duct away from
It is gradually become smaller from along the direction of the left side of bottom case 10 to right side, convenient for forming two the second outlet air that air-out direction mutually converges
Mouth 22, structure is simple, is easy to implement.
Similarly, in order to reduce the noise in air duct, when centrifugal blower is in heating state, the air duct 20 of the lower section in Fig. 2
Interior centrifugal impeller 30 rotates clockwise, and the centrifugal impeller 30 in top air duct 20 rotates counterclockwise, and leaning on the first air duct
Close first air duct of the wall surface section and the second air duct corresponding to the second air outlet 22 in nearly second air duct going out corresponding to second
The wall surface section in air port 22 is plane；First air duct far from the second air duct corresponding to the wall surface section of second air outlet 22 and the
The wall surface section corresponding to the second air outlet 22 far from the first air duct in two air ducts is arc surface.On the one hand hot wind can be made to converge
Gather and climbs upwards；On the other hand, additionally it is possible to which the wind for preventing centrifugal impeller 30 from generating using arcwall face and plane wind path wall is just
Excessive noise is generated to the avoiding blowing of air duct 20.
Preferably, for the ease of conveying cold-hot wind, by the setting of centrifugal impeller 30 at 20 middle part of air duct, and it is located at centrifugal impeller
The wall surface in the air duct 20 of 30 periphery is arc-shaped, and further decreases the generation of noise.
Preferably, the moving baffle 40 in the present embodiment is circular arc block, convenient for rotating in a circumferential direction and cutting in centrifugal impeller 30
It changes to block the first air outlet 21 or the second air outlet 22, and then makes centrifugal blower that there are different air-out modes.In the present embodiment
The thickness of circular arc block be gradually increased from the first end of circular arc block to second end, and the augment direction of the thickness of the circular arc block and its
The direction that the outboard end relative inner end of the blade of centrifugal impeller 30 in the air duct 20 at place is deviateed is consistent.In conjunction with centrifugal blower
The first air outlet 21 and the second air outlet 22 structure it is recognised that since moving baffle 40 is in the radial direction side of centrifugal impeller 30
Upward thickness gradually increases, and when centrifugal blower, which is in, to freeze or heat state, thicker one end of moving baffle 40 is located at
Just in the first air outlet 21 of outlet air or just in the edge of the second air outlet 22 of outlet air, and can be with the plane at air outlet
Overlap to form air-supply passage improves the air-supply effect in air duct.
According to another aspect of the present invention, provide a kind of air conditioner, including centrifugal blower, centrifugal blower be it is above-mentioned from
Heart blower.
It can be seen from the above description that the above embodiments of the present invention realized the following chievements: of the invention
High-efficient, the low noise in air duct of the refrigeration or heating of centrifugal blower and air conditioner, and the air motion composite human body in air duct
Optimal comfort impression.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of centrifugal blower characterized by comprising bottom case (10) is provided at least two air ducts on the bottom case (10)
(20)；At least two centrifugal impellers (30), at least two centrifugal impeller (30) are arranged in described at least two correspondingly
In a air duct (20)；The centrifugal blower includes the first air duct and the second air duct being disposed adjacent, and the first of first air duct
Air outlet (21) is mutually separated with the air-out direction of first air outlet (21) in second air duct；The second of first air duct goes out
It is mutually converged with the air-out direction of second air outlet (22) in second air duct in air port (22)；
The bottom case (10) has the first side and second side being oppositely arranged, and the air duct (20) is prolonged from the first side
Extend to the second side, the air duct (20) have positioned at the first side the first air outlet (21) and be located at described the
The second air outlet (22) of two side faces, the centrifugal blower further include: moving baffle (40), moving baffle (40) setting exist
In the air duct (20), the moving baffle (40) has the first operating position for blocking first air outlet (21) and will
The second operating position that second air outlet (22) is blocked；
The moving baffle (40) is circular arc block, the thickness of the circular arc block from the first end of the circular arc block to second end gradually
Increase, the leaf of the augment direction of the thickness of the circular arc block and the centrifugal impeller (30) in the air duct (20) where it
The direction that the outboard end relative inner end of piece is deviateed is consistent；
When centrifugal blower is in refrigerating state, moving baffle is in the second operating position, thicker one end position of moving baffle
In just in the edge of the first air outlet of outlet air and can be with the wall surface overlap to form air-supply passage of air outlet, the circular arc
The spacing of block and the centrifugal impeller is gradually increased along the direction of second end to the first end of the circular arc block；
When centrifugal blower is in heating state, moving baffle is in the first operating position, thicker one end position of moving baffle
In just in the edge of the second air outlet of outlet air and can be with the wall surface overlap to form air-supply passage of air outlet, the circular arc
The spacing of block and the centrifugal impeller is gradually increased along the direction of second end to the first end of the circular arc block.
2. centrifugal blower according to claim 1, which is characterized in that the bottom case (10) has the first side being oppositely arranged
Face and second side, the air duct (20) extend to the second side from the first side, and the air duct (20) has position
The first air outlet (21) in the first side and the second air outlet (22) positioned at the second side, first air duct
It is the groove being arranged on the bottom case (10) with second air duct.
3. centrifugal blower according to claim 2, which is characterized in that
The wall surface corresponding to first air outlet (21) of the side wall close to second groove of first groove
The wall surface corresponding to first air outlet (21) of the side wall close to first groove of section and second groove
The distance between section becomes larger along the direction of the second side to the first side；
The wall surface corresponding to first air outlet (21) of the side wall far from second groove of first groove
The wall surface corresponding to first air outlet (21) of the side wall far from first groove of section and second groove
The distance between section becomes larger along the direction of the second side to the first side.
4. centrifugal blower according to claim 3, which is characterized in that
The wall surface corresponding to first air outlet (21) of the side wall close to second groove of first groove
The wall surface corresponding to first air outlet (21) of the side wall close to first groove of section and second groove
Duan Junwei arc surface；
The wall surface corresponding to first air outlet (21) of the side wall far from second groove of first groove
The wall surface corresponding to first air outlet (21) of the side wall far from first groove of section and second groove
Duan Junwei plane.
5. centrifugal blower according to claim 2, which is characterized in that
The wall surface corresponding to second air outlet (22) of the side wall close to second groove of first groove
The wall surface corresponding to second air outlet (22) of the side wall close to first groove of section and second groove
The distance between section gradually becomes smaller along the direction of the first side to the second side；
The wall surface corresponding to second air outlet (22) of the side wall far from second groove of first groove
The wall surface corresponding to second air outlet (22) of the side wall far from first groove of section and second groove
The distance between section gradually becomes smaller along the direction of the first side to the second side.
6. centrifugal blower according to claim 5, which is characterized in that
The wall surface corresponding to second air outlet (22) of the side wall close to second groove of first groove
The wall surface corresponding to second air outlet (22) of the side wall close to first groove of section and second groove
Duan Junwei plane；
The wall surface corresponding to second air outlet (22) of the side wall far from second groove of first groove
The wall surface corresponding to second air outlet (22) of the side wall far from first groove of section and second groove
Duan Junwei arc surface.
7. centrifugal blower according to claim 1, which is characterized in that the centrifugal impeller (30) is arranged in the air duct
(20) central, and the wall surface for being located at the air duct (20) of the periphery of the centrifugal impeller (30) is arc-shaped.
8. centrifugal blower according to claim 1, which is characterized in that the bottom case (10) have upper surface, lower end surface, with
And the left side and right side being oppositely arranged, the upper surface are the first side, the lower end surface is the second side.
9. centrifugal blower according to claim 1, which is characterized in that the bottom case (10) have upper surface, lower end surface, with
And the left side and right side being oppositely arranged, the left side are the first side, the right side is the second side.
10. a kind of air conditioner, including centrifugal blower, which is characterized in that the centrifugal blower is any one of claims 1 to 9
The centrifugal blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301848.7A CN105952671B (en) | 2014-10-29 | 2014-10-29 | Centrifugal fan and air conditioner with same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410597533.2A CN104373386B (en) | 2014-10-29 | 2014-10-29 | Centrifugal fan and air conditioner with same |
| CN201610301848.7A CN105952671B (en) | 2014-10-29 | 2014-10-29 | Centrifugal fan and air conditioner with same |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410597533.2A Division CN104373386B (en) | 2014-10-29 | 2014-10-29 | Centrifugal fan and air conditioner with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105952671A CN105952671A (en) | 2016-09-21 |
| CN105952671B true CN105952671B (en) | 2019-01-18 |
Family
ID=52552489
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610301848.7A Active CN105952671B (en) | 2014-10-29 | 2014-10-29 | Centrifugal fan and air conditioner with same |
| CN201410597533.2A Active CN104373386B (en) | 2014-10-29 | 2014-10-29 | Centrifugal fan and air conditioner with same |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410597533.2A Active CN104373386B (en) | 2014-10-29 | 2014-10-29 | Centrifugal fan and air conditioner with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105952671B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807109A (en) * | 2015-05-08 | 2015-07-29 | 珠海格力电器股份有限公司 | Air conditioner |
| JP2017057772A (en) * | 2015-09-16 | 2017-03-23 | 三菱重工業株式会社 | Blower |
| CN112460733A (en) * | 2020-11-09 | 2021-03-09 | 珠海格力电器股份有限公司 | Method and device for cleaning degree of heat exchanger |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2354047Y (en) * | 1998-10-28 | 1999-12-15 | 江苏春兰制冷设备股份有限公司 | Air conditioner with upper and lower air-outlets |
| JP2001153390A (en) * | 1999-11-26 | 2001-06-08 | Daikin Ind Ltd | Air conditioner |
| CN201129804Y (en) * | 2007-11-16 | 2008-10-08 | 珠海格力电器股份有限公司 | Split floor type air conditioner adopting novel air duct system |
| CN201878484U (en) * | 2010-11-19 | 2011-06-22 | 讯凯国际股份有限公司 | Cooling pad |
| CN202973363U (en) * | 2012-12-13 | 2013-06-05 | 珠海格力电器股份有限公司 | air conditioner |
| CN103776098A (en) * | 2012-10-23 | 2014-05-07 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and air conditioner with same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2630540Y (en) * | 2003-05-22 | 2004-08-04 | 曾罗麟 | Centrifugal fan with two air outlets |
| KR100755139B1 (en) * | 2005-10-05 | 2007-09-04 | 엘지전자 주식회사 | Air conditioner |
| CN204200691U (en) * | 2014-10-29 | 2015-03-11 | 珠海格力电器股份有限公司 | Centrifugal fan and air conditioner with same |
-
2014
- 2014-10-29 CN CN201610301848.7A patent/CN105952671B/en active Active
- 2014-10-29 CN CN201410597533.2A patent/CN104373386B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2354047Y (en) * | 1998-10-28 | 1999-12-15 | 江苏春兰制冷设备股份有限公司 | Air conditioner with upper and lower air-outlets |
| JP2001153390A (en) * | 1999-11-26 | 2001-06-08 | Daikin Ind Ltd | Air conditioner |
| CN201129804Y (en) * | 2007-11-16 | 2008-10-08 | 珠海格力电器股份有限公司 | Split floor type air conditioner adopting novel air duct system |
| CN201878484U (en) * | 2010-11-19 | 2011-06-22 | 讯凯国际股份有限公司 | Cooling pad |
| CN103776098A (en) * | 2012-10-23 | 2014-05-07 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and air conditioner with same |
| CN202973363U (en) * | 2012-12-13 | 2013-06-05 | 珠海格力电器股份有限公司 | air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104373386A (en) | 2015-02-25 |
| CN105952671A (en) | 2016-09-21 |
| CN104373386B (en) | 2017-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103574770B (en) | Floor air conditioner and control method thereof | |
| CN106287944A (en) | Air conditioner | |
| CN201129802Y (en) | Split floor type air conditioner with interchangeable air inlet and air outlet | |
| CN204943756U (en) | Kitchen air conditioner system | |
| CN104456724A (en) | Air conditioner | |
| CN105928070A (en) | Hanging type air conditioner indoor unit | |
| CN104896704A (en) | Wall-hanging type air conditioner | |
| CN204806620U (en) | Wall air conditioner | |
| CN107300210B (en) | Indoor unit of air conditioner | |
| CN106482213A (en) | A kind of mixed flow air-conditioning | |
| CN208475464U (en) | Air outlet duct structure and air conditioner | |
| CN107120733A (en) | Air conditioner | |
| CN205119250U (en) | Many air outlets cabinet air -conditioner | |
| CN105952671B (en) | Centrifugal fan and air conditioner with same | |
| CN207113012U (en) | Air conditioner panel and cabinet air conditioner | |
| CN105202639A (en) | Multi-air-outlet cabinet type air conditioner | |
| CN106152282A (en) | Air conditioner | |
| CN104390279A (en) | Air conditioner | |
| CN103574766B (en) | Vertical air conditioner | |
| CN206846919U (en) | Air conditioner | |
| CN105202729A (en) | Ceiling type air conditioner | |
| CN105402811A (en) | Air duct machine and air conditioner with same | |
| CN109099510B (en) | Air conditioner | |
| EP3401546A1 (en) | Axial fan assembly and motor home air-conditioner using same | |
| CN107143922A (en) | Air conditioner panel and cabinet air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |